Inner  opener bits

Crown  opener bits

External  pipe

Internal

pipe

Internal/External

pipe  adapter

Small/Big  adapter

118系列 118 Overburden Drilling

(mm)

Diameter

ø 127

ø 82

ø118

Ø76(ø73)

Ø75 / ø118

Ø75 /ø118

(mm)

Length

-

-

2000

2000

250 / 300

350

Thread

R104-2/3

R56

R104-2/3

R56

R56 / R104-2/3